Waterproof reversible USB receptacle and method for manufacturing the same

Abstract

A waterproof reversible USB receptacle and a method for manufacturing the waterproof reversible USB receptacle, including: an insulation case having a hollow portion; a stopper integrally formed in the hollow portion of the insulation case and including a blocking body, a through hole formed in the blocking body, and extension sheets formed by extending from the blocking body while being bent, the extension sheets being integrally formed in the insulation case; a connector sleeved in the insulation case and including a base portion stopped on the blocking body, and a connection tongue portion extending forward from the base portion and passing through the through hole of the stopper; and a waterproof adhesive coated on a rear portion of the insulation case. The extension sheets further extend to form fixing plates bent to be buckled to a rear end of the base portion after the connector is inserted.

What is claimed is: 
     
       1. A waterproof reversible USB receptacle, comprising:
 an insulation case having a hollow portion; 
 a stopper integrally formed in the hollow portion of the insulation case, wherein the stopper comprises a blocking body, a through hole formed in the blocking body, and extension sheets formed by extending from the blocking body while being bent, the extension sheets being integrally formed in the insulation case; 
 a connector sleeved in the insulation case and comprising a base portion and a connection tongue portion extending forward from the base portion, wherein the connection tongue portion passes through the through hole of the stopper, the base portion is stopped on the blocking body, the extension sheets further extend to form fixing plates, and the fixing plates are bent to be buckled to a rear end of the base portion after the connector is inserted into the insulation case; and 
 a waterproof adhesive coated on a rear portion of the insulation case. 
 
     
     
       2. The waterproof reversible USB receptacle according to  claim 1 , wherein the connector further comprises a middle plate, first and second terminal sets located at upper and lower sides of the middle plate, and an insulation body that forms the middle plate, the first and second terminal sets into one piece. 
     
     
       3. The waterproof reversible USB receptacle according to  claim 2 , wherein the insulation body comprises the base portion, the connection tongue portion, and a fixing block formed at a rear end of the base portion and isolated from the base portion, wherein an isolation area without plastic is formed between the fixing block and the base portion, and the fixing block and the base portion are connected as one piece by the first and second terminal sets. 
     
     
       4. The waterproof reversible USB receptacle according to  claim 3 , wherein first buckle structures are provided on upper and lower surfaces of the base portion, second buckle structures are provided at positions of the hollow portion of the insulation case corresponding to the first buckle structures, the first buckle structures and the second buckle structures are buckle blocks or buckle slots, and the buckle slots of the second buckle structures are located at inner sides of the fixing plates of the stopper and correspond to the buckle blocks of the first buckle structures. 
     
     
       5. The waterproof reversible USB receptacle according to  claim 3 , wherein after the connector is inserted into the insulation case, a periphery of the isolation area corresponds to an inner wall of the hollow portion, and the waterproof adhesive is coated in the isolation area and tightly bound to the inner wall of the hollow portion. 
     
     
       6. The waterproof reversible USB receptacle according to  claim 1 , wherein the insulation case further comprises a peripheral wall and an installation portion formed at a front end of the peripheral wall, an outer diameter of the installation portion is larger than an outer diameter of the peripheral wall, a ring-shaped installing groove is formed at a front end surface of the installation portion, and a waterproof ring is to be installed in the ring-shaped installing groove. 
     
     
       7. The waterproof reversible USB receptacle according to  claim 6 , wherein the waterproof ring comprises a front end portion and an insertion portion extending backward from the front end portion and inserted into the ring-shaped installing groove, wherein a thickness of the insertion portion is smaller than a thickness of the front end portion, the front end portion of the waterproof ring is located on the front end surface of the installation portion for pressing against an inner wall of a case or other components of a mobile phone to achieve waterproofing. 
     
     
       8. A method for manufacturing a waterproof reversible USB receptacle, comprising:
 forming a stopper by punching, and injection molding the stopper integrally to form an insulation case, wherein the stopper comprises a blocking body, a through hole formed in the blocking body, and extension sheets formed by extending from upper and lower sides of the blocking body while being bent, the extension sheets are formed in the insulation case, and the extension sheets are further provided with fixing plates connected to a material strip; 
 providing a formed connector, and inserting the connector into the insulation case, wherein the connector comprises a base portion and a connection tongue portion extending forward from the base portion, the connection tongue portion passes through the through hole of the stopper, and the base portion is stopped at a rear end of the blocking body of the stopper; and 
 bending the fixing plates of the stopper inwards to be buckled to a rear end surface of the base portion of the insulation body. 
 
     
     
       9. The method for manufacturing the waterproof reversible USB receptacle according to  claim 8 , wherein the connector further comprises a middle plate, first and second terminal sets located at upper and lower sides of the middle plate, and an insulation body that forms the middle plate and the first and second terminal sets into one piece, wherein the insulation body comprises the base portion, the connection tongue portion, and a fixing block formed at a rear end of the base portion and isolated from the base portion, an isolation area without plastic is formed between the fixing block and the base portion, and the fixing block and the base portion are connected as one piece by the first and second terminal sets,
 wherein the method further comprises, after the bending the fixing plates of the stopper inwards to be buckled to a rear end surface of the base portion of the insulation body: 
 coating a waterproof adhesive in the isolation area of the insulation body, the waterproof adhesive being filled in the isolation area and limited by an inner wall of the insulation case. 
 
     
     
       10. The method for manufacturing the waterproof reversible USB receptacle according to  claim 9 , wherein a filling area is formed between the isolation area and the inner wall of the insulation case, and the waterproof adhesive is tightly bound to an inner wall of a hollow portion of the insulation case to achieve waterproofing. 
     
     
       11. A waterproof reversible USB receptacle, comprising:
 an insulation case having a hollow portion; 
 a stopper integrally formed in the hollow portion of the insulation case; 
 a connector sleeved in the insulation case and fixed by the stopper; and 
 a waterproof adhesive coated on a rear portion of the insulation case, 
 wherein the connector comprises a middle plate, first and second terminal sets located at upper and lower sides of the middle plate, and an insulation body that forms the middle plate and the first and second terminal sets into one piece, 
 wherein the insulation body comprises a base portion, a connection tongue portion extending forward from the base portion, and a fixing block formed at a rear end of the base portion and isolated from the base portion, 
 wherein the first and second terminal sets comprise contact portions exposed beyond upper and lower surfaces of the connection tongue portion, holding portions extending backward from the contact portions and formed in the base portion and the fixing block, and a weld leg extending to a lower surface of the fixing block, 
 wherein the waterproof reversible USB receptacle further comprises a shielding part buckled to a top surface of the fixing block, 
 wherein the stopper comprises a blocking body, a through hole formed in the blocking body, and extension sheets formed by extending from upper and lower sides of the blocking body while being bent, 
 wherein the extension sheets are integrally formed in the insulation case, the connection tongue portion passes through the through hole of the stopper, and the base portion is stopped on the blocking body, and 
 wherein the extension sheets further extend to form fixing plates, and after the connector is inserted, the fixing plates are bent to be buckled to a rear end surface of the base portion. 
 
     
     
       12. The waterproof reversible USB receptacle according to  claim 11 , wherein the fixing block comprises a body portion extending laterally, buckle holes provided at two lateral ends of the body portion, and buckle protrusions provided at two lateral side surfaces of the body portion;
 wherein the shielding part comprises a shielding body covering the fixing block, two side walls formed by extending from two lateral sides of the shielding body while being bent, and a rear wall formed by extending from a rear end of the shielding body while being bent; and 
 wherein the shielding part completely shields and covers the fixing block and a part of the first and second terminal sets in the fixing block by the shielding body, the two side walls and the rear wall. 
 
     
     
       13. The waterproof reversible USB receptacle according to  claim 11 , wherein an isolation area without plastic is formed between the fixing block and the base portion, and the fixing block and the base portion are connected into one piece by the first and second terminal sets. 
     
     
       14. The waterproof reversible USB receptacle according to  claim 13 , wherein after the connector is inserted into the insulation case, a periphery of the isolation area corresponds to an inner wall of the hollow portion, and the waterproof adhesive is coated in the isolation area and tightly bound to the inner wall of the hollow portion. 
     
     
       15. The waterproof reversible USB receptacle according to  claim 11 , wherein first buckle structures are provided at upper and lower surfaces of the base portion, and second buckle structures are provided at positions of the hollow portion of the insulation case corresponding to the first buckle structures, wherein the first buckle structures and the second buckle structures are buckle blocks or buckle slots, and the buckle slots of the second buckle structures are located at inner sides of the fixing plates of the stopper and correspond to the buckle blocks of the first buckle structures. 
     
     
       16. The waterproof reversible USB receptacle according to  claim 11 , wherein a middle portion of the blocking body of the stopper is removed to form a positioning notch, and a positioning protrusion matching the positioning notch is provided at a front end surface of the base portion of the insulation body. 
     
     
       17. The waterproof reversible USB receptacle according to  claim 11 , wherein the insulation case further comprises a peripheral wall and an installation portion formed at a front end of the peripheral wall, and an outer diameter of the installation portion is larger than an outer diameter of the peripheral wall;
 wherein a ring-shaped installing groove is formed at a front end surface of the installation portion, a waterproof ring is to be installed in the ring-shaped installing groove, and the waterproof ring comprises a front end portion and an insertion portion extending backward from the front end portion and inserted into the ring-shaped installing groove; and 
 wherein a thickness of the insertion portion is smaller than a thickness of the front end portion, and the front end portion of the waterproof ring is located on the front end surface of the installation portion for pressing against an inner wall of a case or other components of a mobile phone to achieve waterproofing. 
 
     
     
       18. A waterproof reversible USB receptacle, comprising:
 an insulation case having a hollow portion; 
 a stopper assembled in the hollow portion of the insulation case; 
 a connector sleeved in the insulation case; and 
 a waterproof adhesive coated on a rear portion of the insulation case, 
 wherein the stopper comprises a blocking body, a through hole formed in the blocking body, and at least two pairs of fixing plates formed by extending from upper and lower sides of the blocking body while being bent; 
 wherein the waterproof reversible USB receptacle further comprises a step portion and a buckle slot provided at a rear end of the step portion, the step portion and the buckle slot provided at the rear end of the step portion are provided in the hollow portion of the insulation case, the stopper is encapsulated into the hollow portion from a front end of the insulation case, the blocking body abuts against the step portion, and at least one pair of the at least two pairs of fixing plates are bent outwards and buckled into the buckle slot to be fixed; and 
 wherein the connector comprises a base portion and a connection tongue portion extending forward from the base portion, the connection tongue portion passes through the through hole of the stopper from a rear end of the insulation case, the base portion is stopped on the step portion, and at least one pair of the at least two pairs of fixing plates are bent inwards and buckled to a rear end surface of the base portion to fix the connector. 
 
     
     
       19. The waterproof reversible USB receptacle according to  claim 18 , wherein the connector further comprises a middle plate, first and second terminal sets located at upper and lower sides of the middle plate, and an insulation body that forms the middle plate and the first and second terminal sets into one piece, wherein the insulation body comprises the base portion, the connection tongue portion, and a fixing block formed at a rear end of the base portion and isolated from the base portion, wherein an isolation area without plastic is formed between the fixing block and the base portion, and the fixing block and the base portion are connected into one piece by the first and second terminal sets. 
     
     
       20. The waterproof reversible USB receptacle according to  claim 19 , wherein first buckle structures are provided at upper and lower surfaces of the base portion, and second buckle structures are provided at positions of the hollow portion of the insulation case corresponding to the first buckle structures; and
 wherein the first buckle structures and the second buckle structures are buckle blocks or buckle slots, and the buckle slots of the second buckle structures are located at inner sides of the fixing plates of the stopper and correspond to the buckle blocks of the first buckle structures. 
 
     
     
       21. The waterproof reversible USB receptacle according to  claim 19 , wherein a middle portion of the blocking body of the stopper is removed to form a positioning notch, and a positioning protrusion matching the positioning notch is provided at a front end surface of the base portion of the insulation body. 
     
     
       22. The waterproof reversible USB receptacle according to  claim 19 , wherein after the connector is inserted into the insulation case, a periphery of the isolation area corresponds to an inner wall of the hollow portion, and the waterproof adhesive is coated in the isolation area and tightly bound to the inner wall of the hollow portion. 
     
     
       23. The waterproof reversible USB receptacle according to  claim 18 , wherein the insulation case further comprises a peripheral wall and an installation portion formed at a front end of the peripheral wall, an outer diameter of the installation portion is larger than an outer diameter of the peripheral wall, a ring-shaped installing groove is formed at a front end surface of the installation portion, and a waterproof ring is to be installed in the ring-shaped installing groove. 
     
     
       24. The waterproof reversible USB receptacle according to  claim 23 , wherein the waterproof ring comprises a front end portion and an insertion portion extending backward from the front end portion and inserted into the ring-shaped installing groove, wherein a thickness of the insertion portion is smaller than a thickness of the front end portion, and the front end portion of the waterproof ring is located at the front end surface of the installation portion for pressing against an inner wall of a case or other components of a mobile phone to achieve waterproofing.